antriebsvorrichtung for electrical schaltgerate

摘要

In an actuating mechanism for an electric switching apparatus such as an electric circuit breaker or the like there is provided first and second springs for respectively storing the energy needed for closing and the energy needed for opening the apparatus. The actuating mechanism further has a tensioning device for tensioning the spring as well as a housing for receiving the tensioning device therein. An improved mounting arrangement of the actuating mechanism includes first and second shafts mounted in the housing so as to have respective end-portions projecting from the housing. The springs are disposed outside the housing and have respective ends anchored to the housing. The other end of the first spring and the other end of the second spring are connected to the end-portion of the first shaft and to the end-portion of the second shaft respectively so as to coact therewith.